The longevity of compost-based storm water filtration systems has not been widely studied. Hydraulic conductivity measurements of compost amended sand media (20% and 50% v/v) within columns were undertaken. The results show that the filtration media in both columns had a reduction in the total saturated hydraulic conductivity. A tracer test showed there was no blockage due to biological or chemical fouling of the compost-sand (20% v/v) media. Particle size distributions results for the compost-sand (50% v/v) media suggest that there was minor degradation of compost particles. It appears gas production causing physical blockage was the most likely cause of the decline. It is recommended that compost filters are not run continuously but have drying periods which would allow any gas build-up to escape.

en_US

dc.publisher

Inderscience Publishers

en_US

dc.relation.ispartof

International Journal of Environmental Technology and Management

en_US

dc.relation.isbasedon

10.1504/IJETM.2009.021577

en_US

dc.subject.classification

Environmental Sciences

en_US

dc.title

Hydraulics stability of compost-based filtration media

en_US

dc.type

Journal Article

utslib.citation.volume

1

en_US

utslib.citation.volume

10

en_US

utslib.for

0599 Other Environmental Sciences

en_US

utslib.for

05 Environmental Sciences

en_US

utslib.for

15 Commerce, Management, Tourism And Services

en_US

pubs.embargo.period

Not known

en_US

pubs.organisational-group

/University of Technology Sydney

pubs.organisational-group

/University of Technology Sydney/Faculty of Engineering and Information Technology

pubs.organisational-group

/University of Technology Sydney/Faculty of Engineering and Information Technology/School of Civil and Environmental Engineering

pubs.organisational-group

/University of Technology Sydney/Faculty of Engineering and Information Technology/School of Elec, Mech and Mechatronic Systems

pubs.organisational-group

/University of Technology Sydney/Strength - CTWW - Centre for Technology in Water and Wastewater Treatment

The longevity of compost-based storm water filtration systems has not been widely studied. Hydraulic conductivity measurements of compost amended sand media (20% and 50% v/v) within columns were undertaken. The results show that the filtration media in both columns had a reduction in the total saturated hydraulic conductivity. A tracer test showed there was no blockage due to biological or chemical fouling of the compost-sand (20% v/v) media. Particle size distributions results for the compost-sand (50% v/v) media suggest that there was minor degradation of compost particles. It appears gas production causing physical blockage was the most likely cause of the decline. It is recommended that compost filters are not run continuously but have drying periods which would allow any gas build-up to escape.

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